Index: uspace/lib/c/include/cfg.h
===================================================================
--- uspace/lib/c/include/cfg.h	(revision 32e093e9873c25920e4db0effd1e8179f5f7ed84)
+++ uspace/lib/c/include/cfg.h	(revision 32e093e9873c25920e4db0effd1e8179f5f7ed84)
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2011 Radim Vansa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @addtogroup libc
+ * @{
+ */
+/**
+ * @file cfg.h
+ * @brief Simple interface for configuration files manipulation.
+ */
+
+#ifndef LIBC_CFG_H_
+#define LIBC_CFG_H_
+
+#include <adt/list.h>
+#include <sys/types.h>
+#include <bool.h>
+
+/**
+ * One key-value pair
+ */
+typedef struct {
+	link_t link;
+	
+	const char *key;
+	const char *value;
+} cfg_entry_t;
+
+/**
+ * One section in the configuration file.
+ * Has own title (or is anonymous) and contains entries.
+ */
+typedef struct {
+	link_t link;
+	
+	const char *title;
+	list_t entries;
+	size_t entry_count;
+} cfg_section_t;
+
+/**
+ * The configuration file data. The whole file is loaded
+ * into memory and strings in sections (titles) or entries
+ * (keys and values) are only pointers to this memory.
+ * Therefore all the text data are allocated and deallocated
+ * only once, if you want to use the strings after unloading
+ * the configuration file, you have to copy them.
+ */
+typedef struct {
+	list_t sections;
+	size_t section_count;
+	const char *data;
+} cfg_file_t;
+
+#define cfg_file_foreach(file, cur) \
+	list_foreach((file)->sections, (cur))
+
+#define cfg_section_instance(cur) \
+	list_get_instance((cur), const cfg_section_t, link)
+
+#define cfg_section_foreach(section, cur) \
+	list_foreach((section)->entries, (cur))
+
+#define cfg_entry_instance(cur) \
+	list_get_instance((cur), const cfg_entry_t, link)
+
+extern int cfg_load(const char *, cfg_file_t *);
+extern int cfg_load_path(const char *, const char *, cfg_file_t *);
+extern void cfg_unload(cfg_file_t *);
+extern bool cfg_empty(const cfg_file_t *);
+extern const cfg_section_t *cfg_find_section(const cfg_file_t *, const char *);
+extern const char *cfg_find_value(const cfg_section_t *, const char *);
+extern const cfg_section_t *cfg_anonymous(const cfg_file_t *);
+
+#endif
+
+/** @}
+ */